Lucent Technologies Lineage
®
2000 ECS-12U Controller J85501E-2
Issue 3 July 1998 Installation and Setup 4 - 21
Low Voltage
Disconnect
Threshold
(Optional)
The LVD Fuse board furnished with List 3 provides both
controller power fusing and the low-voltage battery
disconnect/reconnect function. The latter is an optional feature.
If the plant is not equipped with a LVD contactor as part of the
plant distribution, the disconnect feature of the LVD/Fuse board
is not relevant. If the plant is equipped with low voltage
disconnect/reconnect, the disconnect voltage threshold must be
selected by placing jumpers J505.1 and J505.2 across pins 1 and
2 for 42.5 ± 0.5 volts or pins 2 and 3 for 40.5 ± 0.5 volts.
Table 4-E: LVD/Fuse Board Terminal Block Pin Assignments
Pin No. Designation Definition
TB501-1 MJF3 Major Fuse Alarm
TB501-2 MJF1 Major Fuse Alarm
TB501-3 MNF1 Minor Fuse Alarm
TB501-4 MJF2 Major Fuse Alarm
TB501-5 MNF2 Minor Fuse Alarm
TB501-6 Low Power Distribution via F19
TB501-7 Low Power Distribution via F20
TB501-8 Low Power Distribution via F21
TB501-9 Spare No connection
TB501-10 Spare No connection
TB501-11 Spare No connection
TB501-12 Spare No connection
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